936: Realtime LED Wall With React + Websockets (I Let Strangers Control It)

936: Realtime LED Wall With React + Websockets (I Let Strangers Control It)

Scott, Wes, and CJ dive into Wes’s Hackweek project: a real-time, web-controlled LED grid. They break down the hardware build, custom 3D-printed diffuser, ESP32 microcontroller, and Cloudflare durable objects powering live pixel art, GitHub activity displays, and interactive web drawings. Show Notes 00:00 Welcome to Syntax! 02:03 Wes’ Hackweek project: a web-controlled LED grid 03:52 The hardware: LED panels, soldering, and power WS2812 LED panels 06:38 ESP32 microcontroller and WLED firmware explained ESP32 Microcontroller 10:57 Power supply challenges and injection fixes 15:05 Debugging and testing a DIY LED matrix 15:56 Shorts, blown circuits, and melted wires 17:58 Designing and 3D-printing the diffuser for crisp pixels 21:29 The software: Cloudflare Durable Objects + Party Server Cloudflare Durable Objects Party.server 22:18 Real-time sync and state management across clients Party Client 28:43 Connecting the server to the LED hardware 41:51 Open access fun: scripts, NSFW images, and moderation Cloudflare tunnel 44:10 Live demos 45:34 Future plans: stats, rooms, and making it always-on Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads

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Episoder(1042)

1042: Is the Jev Hype Overblown?

1042: Is the Jev Hype Overblown?

Is Jev actually a leap forward for classification or just hype and fake demos? We dig in, plus Claude Code’s new AGENTS.md support, TinyCast (the free, open-source Raycast alternative), an iPhone Fold...

28 Sep 1h 22min

1041: What are normies using AI for?

1041: What are normies using AI for?

Scott and Wes talk about how non-developers are actually using AI today. They also cover the stuff they don’t think holds up, like AI-staged listings and automated marketing. Show Notes 00:00 Intro...

23 Sep 47min

1040: Developing for the iPhone Duo

1040: Developing for the iPhone Duo

Scott, Wes, and CJ break down developing for the iPhone Duo with the Device Posture and Viewport Segments APIs, plus the React 19.3 release and Pi’s new Radius platform. Also on deck: Tailwind joining...

21 Sep 1h 33min

1039: Should You Quit Your Job?

1039: Should You Quit Your Job?

Scott and Wes dig into a listener mailbag full of AI questions: how to bill freelance work when the tools make you faster, whether coding still matters in interviews, and if the AI bubble is about to ...

16 Sep 1h

1038: OpenAI Releases GPT 6 Astra

1038: OpenAI Releases GPT 6 Astra

Wes and CJ dig into OpenAI’s GPT‑6 Astra; the massive jump in computer use, the wild Blender MCP 3D demos, and whether all the AGI talk actually holds up. Plus Hugging Face’s robot duck, Vitest 5 and ...

14 Sep 1h 25min

1037: WebMCP is here (and you should care)

1037: WebMCP is here (and you should care)

Scott and Wes talk about WebMCP with Sarah Drasner and Dominic Farolino from the Chrome team, which is the new W3C standard that lets your site hand real tools to an agent. They cover the security mod...

9 Sep 56min

1036: Cursor & OpenAI Break Up

1036: Cursor & OpenAI Break Up

The messy breakup is official; as of November 12, OpenAI's models are getting pulled from Cursor, and we're digging into who's really to blame (and why Wes called it). Plus pnpm 12 goes full Rust, Mit...

7 Sep 1h 12min

1035: Why everyone is moving to Stylex?

1035: Why everyone is moving to Stylex?

Meta’s StyleX compiles thousands of styles into a few reusable class names at build time—zero runtime, fully type-safe. Scott and Wes break down why it’s suddenly everywhere, and why it might be the b...

2 Sep 26min

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